AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31

Resources:
  LambdaFunction:
    Type: AWS::Serverless::Function 
    Properties:
      CodeUri: LambdaFunction/
      Handler: com.example.App::handleRequest
      Runtime: java11
      Architectures:
        - x86_64
      Timeout: 30
      MemorySize: 512
      Environment:
        Variables:
          JAVA_TOOL_OPTIONS: -XX:+TieredCompilation -XX:TieredStopAtLevel=1 
      FunctionUrlConfig:
        AuthType: NONE

  CloudFrontDistribution:
    Type: AWS::CloudFront::Distribution
    Properties:
      DistributionConfig:
        PriceClass: PriceClass_All
        HttpVersion: http2
        IPV6Enabled: true
        Comment: Distribution with Lambda Function URL
        Origins:
        - DomainName: !Select [2, !Split ["/", !GetAtt LambdaFunctionUrl.FunctionUrl]] # Remove https:// from URL. 
          Id: LambdaOrigin
          CustomOriginConfig:
            HTTPSPort: 443
            OriginProtocolPolicy: https-only
        Enabled: 'true'
        DefaultCacheBehavior:
          TargetOriginId: LambdaOrigin
          CachePolicyId: '658327ea-f89d-4fab-a63d-7e88639e58f6'
          ViewerProtocolPolicy: redirect-to-https
          SmoothStreaming: 'false'
          Compress: 'true'


Outputs:
  LambdaFunction:
    Description: "Lambda Function ARN"
    Value: !GetAtt LambdaFunction.Arn
  LambdaFunctionURL:
    Description: "Lambda function URL"
    Value: !GetAtt LambdaFunctionUrl.FunctionUrl
  CloudFrontDomain:
    Description: CloudFront domain name 
    Value: !Sub https://${CloudFrontDistribution.DomainName}/